Specifications 1.2.4G Bluetooth Card with best sound quality 2.Color of headset can be customized as Pantone color 3.CE, Rohs,FCC certificate Services / FAQs & Order Procedures Who ?We are factory do earphone more than 8 years in Guangzhou city ,we have more than 300 workers ,this earphone is very hot sales in 2012,we have all series of this earphones and headsets ,they are all with good speakers ,so have good sound ,all with high quality so promise your good business in your city ,they are all with original packing so takes your good sales .What?Besides the this earphone, we also offer much diff
Specifications 1.Supports Bluetooth Headset and Handsfree Profile 2.Mini foldable design,great for travel and out door use 3.Remote function Feature: • Enjoy music wirelessly with Bluetooth stereo enabled device • Build-in high-quality 40mm mylar loudspeaker for audiophile grade sound quality. • Active noise suppression and echo cancellation for superior conversation sound quality • Convenient USB charging • Bluetooth™ specification ver.2.1 + EDR • Remote function : Play, Stop, previous/next,volume+/- • Hands-Free talking • Mini foldable design,great for travel and out door use • on-ear design and adjustable headband provide long-lasting comfort
Brand Name: OEM. Neutral Model Number: BH01 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Bluetooth version: 3.0 +EDR RF Range: 10 meters Playing time: Up to 10 hours Talking Time: Up to 11 hours Standby Time: Up to 250 hours Charging time: 2 ~3 hours battery capacity: 280mah Color: Light Blue, Yellow, Red, White, Black, Pink Packaging & Delivery Packaging Detail: Each one in retail gift box Delivery Detail: within 48 hours Specifications 1. support all cellphone / PC/ Device with bluetooth function. 2 Wireless Stereo Bluetooth Headphone Universal Wireless Stereo Bluetooth Headphone for iphone ipad samsung cellphone We can OEM put your logo on the headset. Why coursing from us?Top Quality with Fast Shipment.1 year warranty.Excellent after-sale.Sample and bulk orders are available.Fast response within 12 hours and less.O
Brand Name: OEM Model Number: SKU10153 Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth Place of Origin: Guangdong China (Mainland) model: X6 color: black + red bluetooth version: V1.2 class2 transmission range: 10m frequency rang: 2.400~2.480GHz talking time: 12 hours mp3 music format: support supportf card: up to 16GB rf output power: 4dBm bluetooth/mp3/fm playing time: 10 hours Packaging & Delivery Packaging Detail: Small box packing Delivery Detail: Within 5 days for 10pcs since payment arrived Specifications New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card transmission range:10m talking time:12 hours support mp3,TF New Arrival X6 Sport MP3 Player + Bluetooth Headset w/ FM/TF Card Features: - Model: X6- Color: Black + Red- Bluetooth version: V1.2 class2- Bluetooth profiles: A2DP/AVRCP/HFP- Transmission range: 10m- Frequency range: 2.400~2.480GHz- RF output power: 4dBm- Built-in 3.7V 500mAh lithium
Brand Name: OEM Model Number: RH001 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Mobile Phone Function: Bluetooth,Microphone,line in and bluetooth wireless Place of Origin: GUA,guangdong China China (Mainland) material: ABS plastic color: white blue black usage: smart phone with bluetooth functon highlight: line in function 3.5mm ear jet working distance: 10M packing: factory standard box package type: headband ,stereo MOQ: 300 pcs Packaging & Delivery Packaging Detail: factory standard box packing Delivery Detail: 3 days after payment confirmed Specifications 1 .smart phone bluetooth headset 2.fast delivery good quality 3.factory directly wholesale 4.ceative ultra slim design wireless bluetooth headphone for smart phone with miscrphone hands free phone call High quality.Excellent Sound Quality.Well design and easy to use.Stable neckband means versatility for use conditions.Seamless switching between music and calls.Great sound with control.The headset supports
Brand Name: icablelink Model Number: CEBH0168 Style: Headband Communication: Wireless Use: Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: color box Delivery Detail: 3-5working days Specifications K1000 Wireless Bluetooth Headphones foldable bluetooth headset multi-functional K1000 Bluetooth headphone with TF/FM support Wireless Bluetooth Headphones 1.Stock,instant delivery; 2.Talking time:20hrs; 3.Standby:400hrs; 4.Bluetooth2.1+EDR Class 2Features:1.Stereo Bluetooth headset with back-hang style2.Supports Bluetooth A2DP, AVRCP, and HS/HF profiles 3.Features Software & CVC echo/noise cancellation for reducing noise4.Foldable design provides maximum portability 5.Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc 6.Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks.7.Up to 20 hours o
Brand Name: Baojiang Model Number: BJHS-009 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Any color Transmission distance: 10M Talking time: 6H any logo: Available Bluetooth Version: 2.1+EDR Microphone: yes Package: Blister Box, Hands free: yes Delivery: 10-15days Operating current: 35mA Packaging & Delivery Packaging Detail: Blister box Delivery Detail: 7-10 days Specifications 1. New Bluetooth headphone for mobile phone 2. OEM&ODM is welcomed 3. High quality with ABS+PVC 4. Pass CE, Rohs Specification Frequency range2.4GHz-2.48GHzTransmission powerClass 2Transmission distance10MOperating voltage3.6VOperating current35mAStandby current2mACharger powerInput 100~240V AC, Output 5V DCWorking temperature-20°C~60°CNo working temperature-20°C~60°CCharging temperature0°C~45°CCharging time2 hoursTalking time6 hoursStandby time120 ho
Specifications 1) Bluetooth: version 2.1+EDR 2) Frequency: 2.4 GHz 3) Factory:Yes 2013 Newest and Fashion style Bluetooth Headphone BH-K009 Features: 1). Blocks 4 times the external noise 2). Multi-point supported: 2 connections simultaneously3). Support headset,handfree profile 5). Redial the last call ,Reject call.Volume adjustable. 6). Faster connecting, clear sound, anti-interference 7). Simple pairing support 8). Flexible swivel boom microphone for left or right ear9). On-line chat through bluetooth wireless transmitter 10).Over-the-head Design Specification: 1) Bluetooth protocol: version 2.1+EDR 2) Frequency: 2.4 GHz 3) Bluetoot
Specifications bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly 2.High-quality speaks delive bluetooth headphone 1.Bluetooth stereo head set let you listen to music or phone calls wirelessly2.High-quality speaks deliver crisprich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening.5.Compatible with bluetooth enabled devices, such as IPHONE,IPAD,most computer,cellphones6.Frequency response:20-20,000Hz7.Speak Impedance:32 ohm8.Omni-directional high quality microphone9.Sensitivity microphone10.Transfer Distance:33FT/10M11.Frequency:2.4GHz12.Technology:Bluetooth V3.0+EDR13.Easily charge via USB port14.Play/Talk-10Hrs15.Low battery notification
Specifications Audio Wireless Stereo Bluetooth Headphone 1.Hot sale item 2.100% compatible 3.OEM/ODM welcome High quality Audio Wireless Stereo Bluetooth Headphone Features: 1.Bluetooth stereo headset lets you listen to music or phone calls wirelessly2.High-quality speakers deliver crisp,rich sound3.Accept incoming calls or toggle between tracks with the touch of a button4.Lightweight,comfortable design for all-day listening5.Compatible with bluetooth enable devices,such as iphone,ipad,most computers,cellphone6.Frequency response:20-20,000 Hz7.Speaker impedance:32 ohm8.Transfer Distance:33 FT/10M9.Frequancy:2.4GHz10.Technology: Bluetooth V3.0-EDR11.Play/Talk ~10 Hrs12.Omni-directional high quality microphone13.Easily charge via USB port14.Sensitivity microphone Specifications: Model NoQR-AA141Ver.Bluetooth V3.0+EDRBluetooth ProfilesHSP,HFP,A2DPK,AVRCPEffective Range10MetersMusic Time10HoursTalk Time11HoursStandby Ti
Specifications Portable bluetooth headset smallest bluetooth headset blister packing standby time:110hours operation range:10m Portable bluetooth headset1.The smallest and lightest 2.Easy-to-use one touch button control 3.Fashionable design and light weight at only 6.9 grams 4.Reversible ear hook, wear on either ear 5.Noise reduction microphone, Excellent sound performance 6.Enhanced voice clarity makes it easy to chat 7.Rechargeable Li-polymer battery 8.Auto re-link with your mobile headset 9.Talk time up to 6 hours,standby time up to 110hours Product Specifications bluetooth versionv 2.0Talking time6 hoursstandby time110 hourscharging time1-3 hours
Brand Name: OEM Model Number: Sxi-ZJ81 Style: In-Ear Communication: Wired Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Bluetooth Specification: 2.1+EDR Bluetooth Profile: A2DP1.2, AVRCP1.0, HFP1.5, HSP1.0 RF Range: 10 m Frequency Response: 80Hz-20KHz Receiver Output: 100 mw rms Signal-To-Noise: :â¥80dB Distortion: â¤1.0% Charging Time: 2.5 hours Charge connector: Micro-USB connector Product Size: 161 x 156 x 71 mm Packaging & Delivery Packaging Detail: Nomal package: Blister box+export carton Delivery Detail: About 10-30 days on receipt of deposit order Specifications Bluetooth Headphone 1.Latest Bluetooth V2.1 support 2.Extra compact design 3.Support Hands free and headset profile Multi-function Button Design Wireless Stereo Bluetooth Headphone for iphone/smart phone Description: 1>Bluetooth Specification 2.1+EDR2>Bluetooth Profile A2DP1.2, AVRCP1.
Model Number: ds610 Style: Headband Communication: Wireless Use: Portable Media Player Function: Bluetooth,Waterproof Place of Origin: China (Mainland) Specifications Portable headsets 1. high qualiy DJ headphone 2. cheapest price 3. with logo and retail box High quality ds610 bluetooth fashion earpieces portable headphones The manufacturers supply / Quality assurance / Faith cooperation / Customer service Welcome foreign trade companies to order a sample.Thank you for your cooperation. Support mixed order, large price advantages. Our Iron triangle headphones are of 1:1 high quality! There are Classical black and white two kinds of color Fashion interpretation of life This headphone is sourced from our Chinese factory, the
Specifications bluetooth headpone,bluetooth headset 1,innovation design 2,excellent quality 3,OEM/ODM 4,:iso:9001:2008,rohs.fcca icti,gsv stereo bluetooth headpone,bluetooth headset specification: headphones: headphone&headset , computer headphone,headset,audio headset,super bass headphone,fashion headphones packaging earphonest.beats earphones,wireless headphone. wired headphone MaterialABS G.W/N.W235g/114gImpedance32 ΩSensitivity89dB Frequency Response20Hz-2000HzMax. Input Power100mWCord Length2mPlug Type2.5mm Stereo features:1. High stereo sound quality headphones is2. Ideal for traveling:comfortable,sturdy,foldable and adjustable headband design with one-sided cable connection3. Headset for using withMP3 players and all other protable and stationary audio equipment with 3.5mm plug.4. non battery operated5. Provide different color according to the demand of customers6. RoHS and customers Logo availablepacking details: bl
Specifications --Life like sound --Noise cancelling design studio wireless bluetooth headphone Headphone type:Studio wireless bluetooth headphoneAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE INPower supply:DC5V/0.5A(USB), Built-in lithium battery 150mAhRated power:2.2WS/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmColor:black, white, red, bluePlaying time: 4 hoursWeight: 135gOther charact: match easily with ipone, ipad. Inside with microphone with clear call. Features:Bluetooth wireless headphoneThe built-in microphone and call-forwarding functionRemote contro
Brand Name: MJ Music/Headphone bluetooth Model Number: MJ-368 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) category: headphone bluetooth microphone: built-in microphone Selling Point: Headphones Bluetooth Wireless DJ TF card: Support 16GB TF Play With FM Radio Function: To Support Campus Radio comfortability: Comfortable wearing for long time 8 Sounds Available: To Cater Different Music Demand OLED Display Screen: To Enjoy Dynamic & Stereo Music battery: Built-in battery Full of power: Be Using 8 Hours Packaging & Delivery Packaging Detail: 61.5x43.5x35.5cm 60 pcs / ctn G.W: 14 KGS N.W: 12.9 KGS Delivery Detail: within 2 days if the headphones are in stock Specifications 2013 latest headphone bluetooth with mp3 Fm radio 1.fashion design 2.support IF/micro SD card 3.OLED display 4.Factory CE 2013 latest headphone bluetooth with mp3 Fm radio : Main features:1, Bluetooth
Brand Name: CYBERBLUE Model Number: BH119C Style: Ear Hook Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Condition: 100% Brand New Compatible Model: Support all bluetooth devices Color: Black Fuction: Answer the call Package: Hard Plastic Box Type: Wireless Bluetooth Headphone Drop Shipping: Support OEM: Support ODM: Support Packaging & Delivery Packaging Detail: Q'ty/Carton : 100 pcs Carton G.W : 2.00 kgs Carton Size: 30.0*25.0*20.0 cm Delivery Detail: 3-5 business days after receiving the full payment Specifications 1.100% Brand New; 2.Stylish,Practical,and Slim; 3.Good Quality and Competitive Price. V3.0 Universal Wireless Stereo Headset Bluetooth Headphone Earphone for Mobile Phone Specifications:1. Version: Bluetooth V3.0+EDR2. Talking time:2-4H3. Standby time:≥100H4. Effective distance:10M5. Charging time:1-2.5HFeatures:1.100% Brand New;2.High Quality Plastic Material;3.Wireless b
Brand Name: Gblue Model Number: G1 Style: Headband Communication: Wireless Connectors: 2.0 charging port Use: Mobile Phone Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) color: black, yellow, red, white Bluetooth profiles: HSP, HFP, A2DP,AVRCP Bluetooth specification: V2.1+EDR Chipset: ISSC Demensions(L*W*H): 60*60*50mm Speaker: 40mm*1 3W Weight: 230g Packaging & Delivery Packaging Detail: delicate gift packing: bluetooth headset, ear hook, charger, user manual. Pakcing details: pvc box packing. Delivery Detail: samples order: 3working day; mass order: 28 working day Specifications *Wireless Bluetooth Headphones *Elegant Fashion Design. *High Acoustic Fidelity. *Extremely Competitive Price *CE, ROHS, FCC Bluetooth Headphone Key specifications: Bluetooth specification: V2.1+EDRBluetooth profiles: HSP, HFP, A2DP,AVRCPOperating distance: 10 meters Class IIRechargeable 240 mAH Li-polymer batteryTalk time: Up to 35 hour
Specifications built in Stereo MP3 player Bulit-in FM,MIC Support MP3 Micro SD card Built-in rechargeable battery Micro SD FM Mic Stereo MP3 headset bluetoothSpecification of bluetooth:Operation distance:10m.Range of frequency:2.4-2.4835GHz ISM bandSensitivity:-85dbSpecification of MP3/FMPC interface USB 2.0Music format:MP3/WMATF card support:128M-32GBFM frequency response:87.5-108MHZRechargeable lithium battery:350mAhSpecification of headphoneType:stereo headphone with MicSpeaker:OD 40mmSensitivity:115db S.P.L. at 1KHZImpedence:32 ohmFrequency response:20HZ-20KHZRated power:40mwPower capacity:100mwMicphone Unit:4.5mmx2Line in Plug type:OD 3.5mm stereo audioFeatures:Allow you to enjoy digital quality music wirelessly and connect between music and phone calling freely.Support TF cardSupport FM high quality stereo audioSupport bluetooth stereo devices to receive A2DP stereo music from laptop,computer,tablet PC,Iphone,blackberry, MP3 player or any other device that supports bluetooth ste
Specifications Fast delivery desigh bluetooth headphone 1; 2013 New desigh bluetooth headphone 2; Best prices 3; Good quality AAA4 :OEM welcome Contacts: Contact Person: Mia YuSkype: mia20131411MSN: YU Mia 2013 New desigh bluetooth headphone Premium quality, Best priceOrder it quickly, or you will miss it. Bluetooth version : Bluetooth v3.0+edr Volume Control : support Bluetooth Protocol : Support a2dp, avrcpValid Range : 20 meters Charge type : usb5pin socket charging Working Hours : 18 hours Standby time : 380 hours Product show :
Specifications Sport Bluetooth headset 1)Bluetooth V1.2 compliant for mobile phone or PC 2)Talk Time: Up to 4 hrs 3)Stand-by time:200 hrs High quality Sport Bluetooth headset, Bluetooth V2.1 Specifications:1.sport bluetooth headset 2.wireless 3.used for mobile phone,PC Product Description:100% Brand NewWeight: 118gOperating frequency range:2.402GHz~2.480GHzBluetooth V2.1 compliantRange of Wireless Connection: 10 metersTransmitting Power:Glass2Supports headset & handsfree profilesHeadphone with built-in chargeable 150mAH lithium batteryTalk Time: Up to 4 hoursStand-by time:200 hoursPerfect fusion of practicability and fashionMost fashionable Euramerican design with foldable eyeglass providing infinite fun of wireless hearing Stereo compression ratio
Specifications Specifications Fashionable stereo Bluetooth headphones 1. factory price 2. warranty: 1year 3. OEM welcomed SpecificationsFashionable stereo Bluetooth headphones 1. factory price 2. warranty: 1year 3. OEM welcomedFashionable stereo Bluetooth headphones 1. Features A two +MP3 stereo Bluetooth headset &
Specifications Wholesale Bluetooth Headphone, bluetooth headset with different colors. the bluetooth version: V2.1 + EDR. Wholesale Bluetooth Headphone, bluetooth headset with different colors wireless bluetooth Headphone Features:1. Bluetooth specification: V2.1 +EDR 2. Bluetooth profiles supported:Headset ,Handfree3. Operation Range: Up to 10 Meters4. Music formats:MP3,WMA,AMR,FLAC,APE,Vorbis etc5. Built-in rechargeable(lithium-Polymer) battery6. Recharge time: 3 hours full charg7. Playing time: 8 hours/ Talk time: 5 hours8. Built-in Microphone9. Support Micro SD card input slot up to 32GB10. FM radio function:FM support automatic station search , and maintain an effective radio with the release to listen11. U disk function:Connected directly to a PC via a USB cable, when speakers T card as a U disk directly copy songs12. HD lossless decoding:Special support APE,FLAC the HD lossless file decoding, restore sound is essentially13. Signal to noise ratio:≥90DB14. Out
Specifications bluetooth headphone small,beautiful,useful,convincent,senstive
Brand Name: QR Model Number: QR-C918 Style: Headband Communication: Wireless Connectors: USB Use: mobile phone, Laptop, PC, & PSP , Table etc. Function: Bluetooth,Waterproof,Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Blue Yellow Red Pink White Black Packaging & Delivery Packaging Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Delivery Detail: 1pc/strong blister box, 500 pcs/ctn Customized welcome Specifications 2013 New-style Stereo Headset V3.0 Bluetooth Headphone 2013 New-style Stereo Headset V3.0 Bluetooth Headphone Specifications: 1)Bluetooth headphone lets you listen to music or take phone calls wirelessly2)High-quality speakers deliver crisp,rich sound.3)Accept incoming calls or toggle between tracks with the touch of a button4)Lightweight,comfortable design for all-day listening, headphone string retractable5)Compatible with bluetooth enabled devices,such as most computers, cellphones, For iPhone/iPad/iPo
Specifications bluetooth headphone 1)Extremely Competitive Price 2)Operating Distance:15m bluetooth headphone for laptop,An020 Features and specifications use the Internet to achieve long-range wireless two-way communication; wireless enjoy stereo music, set aside to answer the call automatically converted, high-fidelity, CD quality sound effects; remote control music playback status (remote control music playback, pause, up and down selections, volume control); High sensitivity, omni-directional microphone design, voice clarity, no echo;
Brand Name: OEM Model Number: HDP-219 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer,Mobile Phone,Mp3,media player,CD Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Color: Red,Green,Purple,Yellow,Blue,Orange,Pink OEM: Accpet Fuction: Stereo Item: headset and headphone Package: Blister packing Gift box Polybag Length of Cable: 1.5m Wire: TPE/PVC/braided Certificate: CE and ROHS Lead time: 5-12 days Packaging & Delivery Packaging Detail: Blister packing Gift box Polybag Delivery Detail: 7-12 days Specifications Stereo bluetooth headphones manufacturer 1. Cool design bass headphone 2. Enriched sound 3.low price abd best quality 2013 Fashionable Wireless Bluetooth Headphone Details Bluetooth version: Bluetooth V3.0+EDR Supports: HSP, HFP, A2DP and AVRCP Key: Volume up/down, Song last/next, MFB pair/pick/hang/reca
Specifications Wireless Bluetooth Headphones 1.Stock,instant delivery; 2.Talking time:20hrs; 3.Standby:400hrs; 4.Bluetooth2.1+EDR Class 2 Red K1000 Wireless Bluetooth Headphones,K1000 foldable bluetooth headset Features: 1.Stereo Bluetooth headset with back-hang style2.Supports Bluetooth A2DP, AVRCP, and HS/HF profiles 3.Features Software & CVC echo/noise cancellation for reducing noise4.Foldable design provides maximum portability 5.Wirelessly enjoy stereo music from all A2DP-enabled devices, such mobile phones, PDA, PC etc 6.Switch automatically from remote controls on the headset allow you to play, skip and select your music tracks.7.Up to 20 hours of music playback time, 400 hours of standby time. Specifications:1.Bluetooth Specification v2.1+EDR class 2 2.The latest version of A2DP1.2 and AVRCP1.0 profiles support3.Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)4.RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band5.Radio
Brand Name: Embrace/(oem) Model Number: UA-06XB Style: Neckband Communication: Wireless Connectors: USB Use: Mobile Phone Function: Bluetooth,Noise Cancelling Place of Origin: Guangdong China (Mainland) Warranty: 1year color: BLUE RED CHOCOLATE GREEN BLACK Product Name: bluetooth headsets,bluetooth earphone,wireless bluetoth headsets Bluetooth Specification: Version 2.1+ EDR Bluetooth Profile Supported: Headset and Wireless. Function:: working with 2 phones,anti-lost, warning tong or vibrating take call bluetooth headset size: 56.5 mm(L) x 26.5 mm(W) x 16.0mm(H). Packaging & Delivery Packaging Detail: Qty/Ctn: 100pcs Ctn Delivery Detail: sample 1-3 working days after comfirmed the payment Specifications Clip type Headset Incoming call alert,Out of range alert Headset with a retractable earpiece 2012 NEWEST CES AWARDS Retractable Bluetooth Headset Headphone for iPhone 5 iPad I9300 IPOD Why choose Retractable bluetooth headset ? &nbs
Specifications bluetooth headphone, with nice data transit high quality stereo sound performance Wearing-type headphone Speaker dimensions: 40mmFrequency Range: 20-20KHZ Impedance: 32Power : 30mW Total harmonic distortion: less than 5%Apply to computer Power supply :lithim battery Working Consumption: 48mA Working hour: 4-5charge time :about 25 minutes Data cable:USB transfer to DC cableTransmitter Specifications:Working power supply:5V Working consumption : 50mAUSB Port Dimenstions: 54*19.3*7mmIn-built Micphone Dimenstions: Φ6*3mmFranquency : 100-8KHZ Sensitivity: -52dB